大约有 3,500 项符合查询结果（耗时：0.0412秒） [XML]
How to sort a dataframe by multiple column(s)
...rrange: "# NOTE: plyr functions do NOT preserve row.names". This makes the excellent arrange() function suboptimal if one wants to keep row.names.
– landroni
Mar 10 '14 at 16:31
...
How does mockito when() invocation work?
...
Excellent link. The genius behind this is: The very simple API which makes the whole thing looks like very nice. Another great decision is that the when() method uses generics so that the thenReturn() method is type safe.
...
How can I let a table's body scroll but keep its head fixed in place?
...ll no matter how many rows are added to the table. Think a mini version of excel. This seems like a simple task but almost every solution I have found on the web has some drawback. How can I solve this?
...
Automatically plot different colored lines
...s (in contrast to MATLAB's built in 7 default colors). They even made the excellent suggestion to set MATLAB's ColorOrder on startup to,
distinguishable_colors(20)
Of course, you can set the ColorOrder for a single axis or simply generate a list of colors to use in any way you like. For example...
Storing time-series data, relational or non?
...ple Numbers (or if you like paying ten times as much, for half as much, MS Excel) are charting tools, not database tools. These days we use layers of tools to produce a result, the monolith is a dinosaur.
– PerformanceDBA
Apr 20 '15 at 13:21
...
What are the differences between django-tastypie and djangorestframework? [closed]
...e super-helpful, and Tastypie is stable, comprehensive and well documented
Excels in giving you a sensible set of default behaviour and making building an API with that style incredibly easy.
Django REST framework
Gives you HTML browse-able self-describing APIs. (EG, see the tutorial API.) Bei...
What is the most ridiculous pessimization you've seen? [closed]
...
On an old project we inherited some (otherwise excellent) embedded systems programmers who had massive Z-8000 experience.
Our new environment was 32-bit Sparc Solaris.
One of the guys went and changed all ints to shorts to speed up our code, since grabbing 16 bits from ...
When is localStorage cleared?
...tab (d) Click Remove all website data (e) Click Remove Now
Opera: Despite excellent articles on localStorage from the Opera site, I haven't yet found clear (non-programmatic) instructions to users on how to clear localStorage. If anyone finds, please leave a comment below this answer with reference...
Adding an arbitrary line to a matplotlib plot in ipython notebook
...
great answer with excellent and complete illustrations! many many thanks!
– JD Long
Oct 15 '12 at 11:38
2
...
SQLAlchemy: Creating vs. Reusing a Session
...
Hi, @zzzeek. Thanks for excellent answer. I'm very new in python and several things I wanna clarify: 1) Do I understand correct when I create new "session" by calling Session() method it will create SQL Transaction, then transaction will be opened ...